• Ribosomes, the cell’s protein-making factories, consume large amounts of energy as they build the proteins that keep cells alive and functioning. • When cells experience stress-such as lack of nutrients or sudden drops in temperature-they quickly switch into survival mode. • New research from the Schuman Lab at the Max Planck Institute for Brain Research in Frankfurt now reveals an unexpected way cells manage this transition: by pairing up inactive ribosomes using a ribosomal RNA link. • This RNA-based mechanism reveals a previously unknown role for ribosomal RNA in the cellular stress response. • The new study is published in Science.
Article Summaries:
- Scientists at the Max Planck Institute for Brain Research have uncovered a novel cellular survival tactic that activates when cells face stress such as nutrient deprivation or temperature drops. The study shows that inactive ribosomes-protein‑synthesizing complexes-form pairs through a link mediated by ribosomal RNA (rRNA). This rRNA‑based pairing appears to help cells conserve energy and maintain essential functions during adverse conditions. The finding, published in Science, expands the known roles of rRNA beyond translation, highlighting its involvement in the cellular stress response.
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